Write the first five terms of the sequence. an = $2 - \frac { 5 } { n } - \frac { 7 } { n ^ { 2 } }$
A) $- 10 , - \frac { 9 } { 4 } , - \frac { 4 } { 9 } , \frac { 5 } { 16 },$ $\frac { 18 } { 25 }$
B) $- 10 , - \frac { 13 } { 2 } , - \frac { 16 } { 3 } , - \frac { 19 } { 4 },$ $- \frac { 22 } { 5 }$
C) $- 10 , - \frac { 19 } { 4 } , - \frac { 34 } { 9 } , - \frac { 55 } { 16 },$ $- \frac { 82 } { 25 }$
D) $- 10 , \frac { 19 } { 4 } , - \frac { 34 } { 9 } , \frac { 55 } { 16 },$ $- \frac { 82 } { 25 }$
E) $- 10 , \frac { 9 } { 4 } , - \frac { 4 } { 9 } , - \frac { 5 } { 16 },$ $\frac { 18 } { 25 }$

Question

Quizplus · Accepted Answer

The correct answer is A because the first five terms of the sequence are:a1 = 2 - 5/1 - 7/1^2 = -10a2 = 2 - 5/2 - 7/2^2 = -9/4a3 = 2 - 5/3 - 7/3^2 = -4/9a4 = 2 - 5/4 - 7/4^2 = 5/16a5 = 2 - 5/5 - 7/5^2 = 18/25

Write the First Five Terms of the Sequence 2−5n−7n22 - \frac { 5 } { n } - \frac { 7 } { n ^ { 2 } }2−n5​−n27​

Write the First Five Terms of the Sequence $2 - \frac { 5 } { n } - \frac { 7 } { n ^ { 2 } }$